New Test Detects TB and Antibiotic Resistance07/26/13
FRIDAY, July 26 (HealthDay News) -- A new test to detect
bacteria that cause tuberculosis and simultaneously determine if
the bacteria are resistant to the antibiotic rifampin has been
approved by the U.S. Food and Drug Administration.
The Xpert MTB/RIF Assay is less complex to administer than other
screening tests for TB. Results are available in about two hours,
while traditional methods to detect TB could take up to several
months, the agency said in a news release.
People with weakened immune systems are most likely to develop
full-blown TB once infected with the disease-causing bacteria, the
FDA said. TB is a leading killer globally of people with
Common symptoms of TB include a severe cough lasting at least
three weeks, chest pain, coughing up blood, fatigue and weight
loss, the agency said.
The test is manufactured and marketed by Cepheid, based in
The U.S. Centers for Disease Control and Prevention has more
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